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Finding the Fourth Proportional to 13,790.16, 19,030.41 and 7,502.52

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Solution

The fourth proportional to 13,790.16, 19,030.41 and 7,502.52 is: 10,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.16 : 19,030.41 = 7,502.52 : x
  2. Step 2: Convert to fraction form
    13,790.16/19,030.41 = 7,502.52/x
  3. Step 3: Cross multiply
    13,790.16x = 19,030.41 × 7,502.52
  4. Step 4: Simplify right side
    13,790.16x = 142,776,031.63
  5. Step 5: Solve for x
    x = 142,776,031.63/13,790.16
  6. Step 6: Final answer
    x = 10,353.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.